Find the greatest number that will divide 93,111 and 129, leaving remainder 3 in each case.
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Solution
Step: Find the greatest number
Since the remainder is 3 in each case, decrease the remainder from 93,111 and 9129) to find the required number.
So, 93−3=90 111−3=108 129−3=126
∴ The greatest number will be H.C.F. of 90,108 and 126 H.C.F. of 90 and 108
H.C.F. of 18 and 126
Here, the last division is 18.
Thus, the H.C.F. of 90,108 and 126 is 18.
Hence, the greatest number that will divide 93,1112 and 126 is 18.